i have a 94 es300, the problem is my O/D off light start blinking, follow by the engine check light on, i had it cleared off by pull off the battery cable, but after that, the trans wont shift to 2nd gare untill the RPM goes to 4000, when it finally shift up, the lights gon on again, i had to clear that off again by doing the seam thing, after that, it go on again twice that day, but OD off light not blinking for long(only for few second), and the engine check ligh stays on, then i clear that twice, now its seem ok, light never back on. but it alway bothers me.(the light may back on anytime??) i did check the trans fluid level, its way higher then it should be, is there anyone know what kind problem is that???
need help!!!

 

Your tranny might be on it's way out. The car won't upshift cause it is safe, limp home mode. Not good, call your mechanic.

 

If a warning light comes on, the car is trying to tell you something.
Pull (or have your mechanic do it) the trouble code to find out what the problem is. Just clearing the code by pulling off the battery cable doesn't solve the initial problem that caused the light to come on.

It may be as simple as a torque converter clutch solenoid

 

I had a Plymouth Laser once, and it started doing the same thing. MY transmission went the following week. I hate to throw that kinda bad luck at ya, but just wanted to let ya know....

 

thanks all of u, i did bring my car to the dealer, first they charge me $94 to check the code, but they couldnt tell what the problem is, they told me it could be one of four problem(i dont know what those are), then they need further check up, which cost me $200, finally, they found that there was a connector on the back of dashboard losed ! ! what pain in the ***, i did took that dashboard out my self couple days ago to change a light bulb!!
i hope that will be end of my story.